her mother, a swimming star at boston university. >> this is probably the first time sloan has gone into a season saying i can't wait to get out there and play. >> reporter: sloan's big breakthrough came last year at the french open, at wimbledon and on the pages of "vogue" magazine, which names her one of its up and coming style stars. and it was her style on the tennis court that reduced serena williams to frustration. now having conquered her one-time idol, sloan has somewhat of a new perspective. >> this is just so crazy. but oh, my goodness. i think i'm going to put up a poster of myself now. >> reporter: ron claiborne, abc news, new york. >> and just a few hours ago, sloan stevens played in the semifinal match. >> while stevens hung tough, she couldn't put il out in the end. she dropped the first set, but came back strong in the second. after a now very controversial ten-minute break during which she left the court saying she had medical issues, stevens was defeated. about that ten-minute break, she admitted her chest felt tight and she couldn't breathe and that's why she left the